8Q66

Crystal Structure of the C. elegans MUT-7 MUT-8 CTD complex

• PDB DOI: https://doi.org/10.2210/pdb8Q66/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Caenorhabditis elegans
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-08-11 Released: 2024-03-06 
• Deposition Author(s): Falk, S., Busetto, V.
• Funding Organization(s): H2020 Marie Curie Actions of the European Commission

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.03 Å
• R-Value Free: 0.225 
• R-Value Work: 0.191 
• R-Value Observed: 0.193 

Starting Model: in silico

Literature

MUT-7 a conserved exoribonuclease functioning in small RNA biogenesis

Falk, S., Busetto, V.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: light scattering, gel filtration

Macromolecule Content

• Total Structure Weight: 60.43 kDa 
• Atom Count: 4,431 
• Modelled Residue Count: 513 
• Deposited Residue Count: 523 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Exonuclease mut-7	A	272	Caenorhabditis elegans	Mutation(s): 0  Gene Names: mut-7
UniProt
Find proteins for P34607 (Caenorhabditis elegans) Explore P34607  Go to UniProtKB:  P34607

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
SH2 domain-containing protein	B	251	Caenorhabditis elegans	Mutation(s): 0  Gene Names: rde-2
UniProt
Find proteins for Q19672 (Caenorhabditis elegans) Explore Q19672  Go to UniProtKB:  Q19672

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN (Subject of Investigation/LOI)	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
EDO	D [auth A], E [auth A], F [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.03 Å
• R-Value Free: 0.225 
• R-Value Work: 0.191 
• R-Value Observed: 0.193 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 145.089	α = 90
b = 59.053	β = 119.8
c = 88.161	γ = 90

Software Package:

Software Name	Purpose
PHENIX	phasing
PHENIX	refinement
PDB-REDO	refinement
pointless	data scaling
XDS	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-06 
Deposition Author(s): Falk, S., Busetto, V.

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Funding Organization	Location	Grant Number
H2020 Marie Curie Actions of the European Commission	European Union	FA743031

Revision History  

• Version 1.0: 2024-03-06
  Type: Initial release